Am Donnerstag, 25. Juni 2009 schrieb Gregg C Levine:
>
> Now my question, how did one of us make use of the features on the DS2482
> on or around a motherboard to control the One-Wire access methods?
>
I use the Kontron KEEX-4000 motherboard as the base for my cash register. This
board has the internal (SPD, sensors etc.) I2C bus available on one of its
internal pin headers. I designed an adapter board which adds a DS2482 and
four RJ-12 connectors which lead to my dispenser boards (featuring DS2423
counters and DS2408 for controlling valves).
The most important feature for me was multiple ports. One port of the DS2482
is reserved for the local keylock, the other ports can be used for connecting
buses for three different directions. It makes cabling easier than having
several lobes. Then, a keylock can be identified on any of the 4 ports
without using a link-locator or a DS2409 network coupler.
I2C is also useful. The serial and USB ports on the cash register are already
occupied by touchscreen, printers, coffee maker etc. I don't like to
incorporate an USB hub into the machine just for having onewire.
Kind regards
Jan
--
Berüchtigte Euphemismen: "Industriestandard"
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